Routed Event Demo : RoutedCommand « Windows Presentation Foundation « VB.Net






Routed Event Demo

Routed Event Demo
     
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="WpfApplication1.RoutedEventDemo.RoutedEventDemo"
        Title="Routed Event Demo">
    <TextBlock Name="txtblk">TextBlock with Context Menu
        <TextBlock.ContextMenu>
            <ContextMenu MenuItem.Click="MenuItemOnClick">
                <MenuItem Header="Red" />
                <MenuItem Header="Orange" />
                <MenuItem Header="Yellow" />
                <MenuItem Header="Green" />
                <MenuItem Header="Blue" />
                <MenuItem Header="Indigo" />
                <MenuItem Header="Violet" />
            </ContextMenu>
        </TextBlock.ContextMenu>
    </TextBlock>
</Window>
//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Input
Imports System.Windows.Media

Namespace WpfApplication1.RoutedEventDemo
  Public Partial Class RoutedEventDemo
    Inherits Window

    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub MenuItemOnClick(sender As Object, args As RoutedEventArgs)
      Dim str As String = TryCast(TryCast(args.Source, MenuItem).Header, String)
      Dim clr As Color = CType(ColorConverter.ConvertFromString(str), Color)
      txtblk.Foreground = New SolidColorBrush(clr)
    End Sub
  End Class
End Namespace

   
    
    
    
    
  








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